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- Title
A Diffusible Substance in Irradiated Tissues?
- Authors
JOLLES, B.
- Abstract
IN a series of experiments carried out on volunteers, a dose of X-rays was given to two small areas of skin separated by a varying width of untreated protected skin, and the reactions produced were significantly bigger than that over a single area of skin exposed to the same dose of radiation. When, however, the separation between the two paired areas was greater than a certain minimum value, the reaction was equal to that of a single area at a symmetrical site. The separation value which cancelled this reciprocal vicinity effect was, for areas 1·56 cm. × 1·56 cm., approximately 2·5 cm. For areas 2·5 cm. × 2·5 cm. a separation of at least 3 cm., and for areas 3·5 cm. × 3·5 cm. a separation of more than 4·0 cm., was required to abolish the vicinity effect.
- Publication
Nature, 1949, Vol 164, Issue 4158, p63
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/164063b0